CN210404513U - Mobile maintenance and debugging system of horizontal outdoor high-voltage alternating-current isolating switch - Google Patents
Mobile maintenance and debugging system of horizontal outdoor high-voltage alternating-current isolating switch Download PDFInfo
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- CN210404513U CN210404513U CN201921188521.9U CN201921188521U CN210404513U CN 210404513 U CN210404513 U CN 210404513U CN 201921188521 U CN201921188521 U CN 201921188521U CN 210404513 U CN210404513 U CN 210404513U
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- 238000012423 maintenance Methods 0.000 title claims abstract description 56
- 230000007704 transition Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 11
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- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model discloses a mobile maintenance and debugging system of a horizontal outdoor high-voltage alternating-current isolating switch, which comprises a mobile maintenance platform and two groups of maintenance and debugging tools; the movable maintenance platform comprises a chassis frame and two guide rails which are arranged on the chassis frame in parallel, rolling wheel sets are arranged at the lower end of the chassis frame, and a plurality of groups of height-adjustable chassis frame supporting devices are arranged on the chassis frame and used for suspending the rolling wheel sets; the overhaul and debugging tool comprises a base support, a pulley and a transition mounting plate which are vertically arranged; the pulley comprises a pulley plate and two groups of guide rail wheel sets, the pulley plate is fixedly connected with the lower end face of the base support, and the two guide rail wheel sets are symmetrically arranged on two sides below the pulley plate and used for sliding on the two parallel guide rails; transition mounting panel and foundation support's up end fixed connection, the upper surface of transition mounting panel is equipped with a plurality of mounting panel bolt holes in order to be used for fixed mounting isolator.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to an outdoor high pressure of horizontal exchanges isolator's removal and overhauls debug system.
Background
In the electric power transmission and distribution system, the horizontal outdoor high-voltage ac isolating switch has a wider application, mainly including a double-column horizontal rotary type (GW4), a double-column horizontal telescopic type (GW17) and a three-column horizontal rotary type (GW7) outdoor high-voltage ac isolating switch. After operating for decades, these disconnectors need to be repaired and maintained, including disassembling and replacing parts, and debugging, re-installing and operating after being assembled and reinstalled. In the past, the debugging process is difficult to realize on the transformer substation site, and most of the overhauling and debugging work needs to return to a product manufacturer to carry out in-factory debugging or is finished on a fixed overhauling and debugging table of a professional overhauling base. This debugging method is complicated, long in cycle and high in cost. Therefore, a device which is convenient to overhaul and debug on the installation site of the high-voltage alternating-current isolating switch is urgently needed.
The isolating switch generally has two transmission bases, and the center distance between the two transmission bases is the root-to-root distance. When the isolating switch is overhauled and debugged, two transmission bases are required to be respectively installed on corresponding overhauling and debugging tools, so that subsequent work can be carried out conveniently. But the root of different isolator is apart from the difference, when the maintenance debugging in the face of different isolator, need one kind can fix isolator on the maintenance debugging frock, can be convenient for adjust two again and overhaul the distance between the debugging frock to satisfy the different demand of different isolator root.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an outdoor high voltage of horizontal exchanges isolator's removal and overhauls debug system is convenient for carry out the on-the-spot maintenance debugging to high voltage isolator in the open air.
The utility model adopts the technical proposal that: a mobile maintenance and debugging system of a horizontal outdoor high-voltage alternating-current isolating switch comprises a mobile maintenance platform and two groups of maintenance and debugging tools;
the movable maintenance platform comprises a chassis frame and two guide rails which are arranged on the chassis frame in parallel, rolling wheel sets are arranged at the lower end of the chassis frame, and a plurality of groups of height-adjustable chassis frame supporting devices are arranged on the chassis frame and used for suspending the rolling wheel sets;
the overhaul and debugging tool comprises a base support, a pulley and a transition mounting plate which are vertically arranged;
the pulley comprises a pulley plate and two groups of guide rail wheel sets, the pulley plate is fixedly connected with the lower end face of the base support, and the two guide rail wheel sets are symmetrically arranged on two sides below the pulley plate and used for sliding on the two parallel guide rails;
transition mounting panel and foundation support's up end fixed connection, the upper surface of transition mounting panel is equipped with a plurality of mounting panel bolt holes in order to be used for fixed mounting isolator.
Preferably, a group of chassis frame supporting devices are arranged at two ends of the chassis frame respectively, each chassis frame supporting device comprises a chassis frame supporting leg and a chassis clamping nut, threads are arranged on the upper portion of each chassis frame supporting leg, chassis through holes are formed in two ends of the chassis frame, and the upper portions of the chassis frame supporting legs penetrate through the chassis through holes and are locked through the chassis clamping nuts.
Further preferably, the bottom of the chassis frame supporting leg is provided with a first supporting seat, and the first supporting seat is in a round cake shape.
Further optimize, still include coaster fixing device, coaster fixing device includes at least a set of fixed plate, fixed plate tie bolt, the fixed plate transversely sets up the below at the coaster board to the joint is between two parallel guide rails, the both ends of fixed plate all are through fixed plate tie bolt and coaster board fixed connection.
Further optimize, coaster fixing device includes two sets of fixed plates, fixed plate tie bolt, two the fixed plate transversely sets up the both sides in the fixed plate below respectively, the both ends of fixed plate all are through fixed plate tie bolt and coaster board fixed connection.
Further preferably, the device further comprises a push-pull device, wherein the push-pull device comprises two groups of push-pull handrails, and the two groups of push-pull handrails are fixedly arranged at the two ends of the guide rail respectively.
Preferably, the push-pull handrail is in the shape of Jiong, and two ends of the push-pull handrail are respectively fixed at the outer sides of the two guide rails.
Further optimize, the middle part downside of guide rail still is equipped with supplementary supporting mechanism, supplementary supporting mechanism includes crossbeam frame and two sets of crossbeam frame strutting arrangement, a set of crossbeam frame strutting arrangement is respectively established at the both ends of crossbeam frame, crossbeam frame strutting arrangement includes crossbeam supporting leg and crossbeam and lock nut, the upper portion of crossbeam supporting leg is equipped with the screw thread, the both ends of crossbeam frame are equipped with the crossbeam through-hole, pass through crossbeam and lock nut behind the crossbeam through-hole is passed to the upper portion of crossbeam supporting leg.
Further optimize, crossbeam supporting leg bottom is equipped with the second supporting seat, the second supporting seat is the cake form.
Further optimize, the both ends of guide rail all are equipped with limit stop, two limit stop transversely sets up respectively in the both ends top of two guide rails.
Further optimize, two limit stop's opposite face all is equipped with the buffer block.
Further preferably, the two ends of the chassis frame are provided with fixed rib plates, the lower ends of the fixed rib plates are fixed on the chassis frame, and the opposite end surfaces of the two fixed rib plates respectively push against the outer side surfaces of the two guide rails.
Further preferably, the upper end face and the lower end face of the foundation support are respectively provided with an upper connecting plate and a lower connecting plate, the trolley plate is fixedly connected with the lower connecting plate, and the transition mounting plate is fixedly connected with the upper connecting plate.
Further optimize, four bights of lower connecting plate are equipped with a plurality of bolt holes down, be equipped with the lower screw hole that corresponds with bolt hole under each on the coaster board, lead to tight bolt fastening connection between bolt hole and the lower screw hole down.
Further optimize, four bights of upper junction plate are equipped with a plurality of bolt holes of going up, be equipped with the last screw hole that corresponds with each bolt hole on the transition mounting panel, go up and lead to tight bolt fastening connection between bolt hole and the last screw hole.
Further preferably, the guide rail wheel set comprises four groups of guide rail wheels, and the four groups of guide rail wheels are arranged on two sides below the scooter plate in pairwise symmetry.
The utility model has the advantages that: when needing to overhaul and debug outdoor high-voltage alternating-current isolating switch, move the portable maintenance platform to the maintenance scene, readjust chassis underframe strutting arrangement's height, thereby it is fixed with whole maintenance platform to make the roll wheelset take off ground, arrange two maintenance debugging frocks in on two parallel guide rails of maintenance platform, adjust the distance between two maintenance debugging frocks, when the distance adjustment between two maintenance debugging frocks reaches the root distance that accords with to wait to overhaul debugging isolating switch, with two transmission bases of isolating switch fixed mounting respectively on the maintenance debugging frocks that correspond, so as to carry out subsequent maintenance work.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic diagram of a commissioning isolation switch according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a mobile service platform of an embodiment;
FIG. 4 is a partial exploded view of one embodiment of a mobile service platform;
FIG. 5 is a schematic structural diagram of a service commissioning tool of an embodiment;
fig. 6 is an exploded view of the service commissioning tool according to an embodiment.
Detailed Description
As shown in fig. 1, in an embodiment, a mobile maintenance and debugging system of a horizontal outdoor high-voltage ac isolating switch includes a mobile maintenance platform and two sets of maintenance and debugging tools;
as shown in fig. 3 and 4, the mobile service platform includes two chassis frames 300 and two parallel rails 100, and any number of chassis frames 300 may be used to support the rails 100. The two chassis frames 300 are respectively and transversely arranged at two ends of the lower side of the guide rail 100, the lower end of each group of chassis frames 300 is provided with a group of rolling wheel sets 200, and the chassis frames 300 are provided with a plurality of groups of height-adjustable chassis frame supporting devices for adjusting the height of the chassis frames 300;
as shown in fig. 5 and 6, the overhaul debugging tool includes a vertically arranged base support 2100, a pulley, and a transition mounting plate 2300, wherein an upper connecting plate 2110 and a lower connecting plate 2120 are respectively arranged on the upper end surface and the lower end surface of the base support 2100;
the pulley comprises a pulley plate 2210 and two groups of guide rail wheel sets, the pulley plate 2210 is fixedly connected with the lower connecting plate 2120, and the two guide rail wheel sets are symmetrically arranged at two sides below the pulley plate 2210 for sliding on the two parallel guide rails 100;
The whole maintenance system consists of a movable maintenance platform and two groups of maintenance debugging tools; through the chassis frame 300 arranged below the two parallel guide rails 100 on the two parallel rails, the rolling wheel set 200 is arranged below the chassis frame 300, so that the whole maintenance platform is convenient to move. Thereby conveniently remove whole maintenance platform to the maintenance scene. After moving to the maintenance site, the height of the chassis frame supporting device is adjusted, so that the rolling wheel set 200 is separated from the ground to fix the whole maintenance platform.
As shown in fig. 2, two sets of maintenance and debugging tools are disposed on two parallel guide rails 100, and two guide rail wheel sets can roll and slide along the two parallel guide rails 100. Through adjusting the distance between two maintenance debugging frocks, when the distance between two maintenance debugging frocks is adjusted to accord with isolator 2400's root distance, with isolator 2400's two transmission bases 2410 fixed mounting respectively on the transition mounting panel 2300 of the maintenance debugging frocks that correspond to the root distance location of two transmission bases 2410, so as to carry out subsequent maintenance work.
Further, the two rail wheel sets include four sets of rail wheels 2220, and the four sets of rail wheels 2220 are disposed on two sides of the lower portion of the cart plate 2210 in a pairwise symmetric manner.
A group of chassis frame supporting devices are respectively arranged at two ends of the chassis frame 300 and comprise chassis frame supporting legs 410 and chassis clamping nuts 420, threads are arranged on the upper portions of the chassis frame supporting legs 410, chassis through holes are formed in two ends of the chassis frame 300, and the upper portions of the chassis frame supporting legs 410 are locked through the chassis clamping nuts 420 after penetrating through the chassis through holes.
A chassis frame supporting leg 410 is respectively arranged at two ends of the chassis frame 300, and after the maintenance platform is moved to a maintenance site, the supporting height of the chassis frame supporting leg 410 to the chassis frame 300 is adjusted by adjusting and tightening the connecting position of the nut 420 and the chassis frame supporting leg 410. When the maintenance platform needs to be moved, the chassis frame support legs 410 are lifted, so that the rolling wheel sets 200 are in contact with the ground, thereby facilitating the movement of the maintenance platform. After moving to the corresponding service site, the chassis frame support legs 410 are lowered to separate the rolling wheel sets 200 from the ground, thereby fixing the service platform.
Further, in order to improve the support stability of the chassis frame support leg 410, the bottom of the chassis frame support leg 410 is provided with a first support seat 411, and the first support seat 411 is shaped like a round cake.
The pulley fixing device comprises at least one group of fixing plates 2510 and fixing plate tensioning bolts 2520, the fixing plates 2510 are transversely arranged below the pulley plates 2210 and are clamped between the two parallel guide rails 100, and two ends of each fixing plate 2510 are fixedly connected with the pulley plates 2210 through the fixing plate tensioning bolts 2520.
After the root distance between the two transmission bases 2410 with the isolating switch 2400 is debugged and determined, the fixing plate 2510 is transversely installed below the pulley plate 2210, two ends of the fixing plate 2510 are clamped between the two parallel guide rails 100, and then the fixing plate is fixedly connected with the pulley plate 2210 through the fixing plate tensioning bolt 2520, so that the maintenance and debugging tool is fixedly connected on the guide rails 100.
Further, the pulley fixing device is preferably two sets of fixing plates 2510 and fixing plate tightening bolts 2520, the two fixing plates 2510 are respectively transversely disposed at two sides below the fixing plate 2510, and both ends of the fixing plate 2510 are fixedly connected with the pulley plate 2210 through the fixing plate tightening bolts 2520. The pulley fixing device selects two groups of fixing plates 2510 and fixing plate tensioning bolts 2520, and the connection stability of the maintenance and debugging tool and the guide rail 100 can be improved.
Further, a push-pull device is further provided, the push-pull device comprises two groups of push-pull handrails 500, and the two groups of push-pull handrails 500 are respectively and fixedly arranged at two ends of the two guide rails 100.
The guide rails 100 are provided with push-pull devices, each push-pull device comprises two groups of push-pull handrails 500, and the two groups of push-pull handrails 500 are respectively and fixedly arranged at two ends of the two guide rails 100. Through setting up two push-and-pull handrail 500, be convenient for when the maintenance platform need remove the transfer, the staff removes and shifts the position of overhauing the platform through two push-and-pull handrail 500.
Further, the push-pull handrail 500 is shaped like "Jiong", and both ends of the push-pull handrail 500 are fixed to the outer sides of the two guide rails 100, respectively.
Two guide rail 100's middle part downside still is equipped with supplementary supporting mechanism, supplementary supporting mechanism includes crossbeam frame 610 and two sets of crossbeam frame strutting arrangement 620, a set of crossbeam frame strutting arrangement 620 is respectively established at the both ends of crossbeam frame 610, crossbeam frame strutting arrangement 620 includes crossbeam supporting leg 621 and crossbeam and lock nut 622, crossbeam supporting leg 621's upper portion is equipped with the screw thread, crossbeam frame 610's both ends are equipped with the crossbeam through-hole, crossbeam supporting leg 621's upper portion passes through the crossbeam behind the crossbeam through-hole and lock through crossbeam and lock nut 622.
When the span of the two guide rails 100 is large, the auxiliary supporting mechanism is arranged in the middle of the two guide rails 100, so that the moment is reduced, and the supporting strength of the guide rails 100 is improved. And the supporting height is adjusted by the connection position of the beam supporting leg 621 and the beam tightening nut 622.
Further, in order to improve the support stability of the cross beam support leg 621, a second support seat 623 is arranged at the bottom of the cross beam support leg 621, and the second support seat 623 is in a round cake shape.
Both ends of the two guide rails 100 are provided with limit stops 700, and the two limit stops 700 are respectively transversely arranged above both ends of the two guide rails 100.
When the maintenance debugging tool rolls on the guide rail 100 and slides, in order to avoid the maintenance debugging tool to break away from the guide rail 100, limit stops 700 are arranged at the two ends of the two guide rails 100, and when the maintenance debugging tool moves to the end position of the guide rail 100, the limit stops 700 limit the maintenance debugging tool to continue moving, so that the maintenance debugging tool is prevented from breaking away from the guide rail 100.
Further, the opposite surfaces of the two limit stoppers 700 are provided with buffer blocks 710. The buffer block 710 arranged on the limit stop 700 can slow down the impact of the maintenance debugging tool on the limit stop 700, protect the maintenance platform and the maintenance debugging tool.
The lower connecting plate 2120 has several lower bolt holes 2121 in its four corners, and the pulley plate 2210 has corresponding lower screw holes 2211 for each lower bolt hole 2121, and the lower bolt holes 2121 and the lower screw holes 2211 are fastened together with fastening bolts. The four corners of the lower connecting plate 2120 are fixedly connected to the pulley plate 2210 by tightening bolts.
A plurality of upper bolt holes 2111 are formed in four corners of the upper connecting plate 2110, an upper threaded hole 2320 corresponding to each upper bolt hole 2111 is formed in the transition mounting plate 2300, and the upper bolt holes 2111 and the upper threaded holes 2320 are connected through fastening bolts in a fastening mode. Different types of transmission bases 2410 of the isolating switch 2400 can meet the requirement that different types of isolating switches 2400 are fixedly installed by replacing different types of transition mounting plates 2300.
The two ends of the chassis frame 300 are both provided with the fixed rib plates 900, the lower ends of the fixed rib plates 900 are fixed on the chassis frame 300, and the opposite end surfaces of the two fixed rib plates 900 respectively push against the outer side surfaces of the two guide rails 100. The fixing rib plate 900 is arranged on the chassis frame 300 to limit the lateral movement of the two guide rails 100, and improve the connection stability between the guide rails 100 and the chassis frame 300.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. The utility model provides an outdoor high voltage of horizontal exchanges isolator's removal and overhauls debug system which characterized in that: the system comprises a movable maintenance platform and two groups of maintenance debugging tools;
the movable maintenance platform comprises a chassis frame (300) and two guide rails (100) which are arranged on the chassis frame (300) in parallel, rolling wheel sets (200) are arranged at the lower ends of the chassis frame (300), and a plurality of groups of height-adjustable chassis frame supporting devices are arranged on the chassis frame (300) and used for suspending the rolling wheel sets (200);
the overhaul and debugging tool comprises a base support (2100), a pulley and a transition mounting plate (2300), which are vertically arranged;
the pulley comprises a pulley plate (2210) and two groups of guide rail wheel sets, wherein the pulley plate (2210) is fixedly connected with the lower end surface of the base bracket (2100), and the two guide rail wheel sets are symmetrically arranged at two sides below the pulley plate (2210) and used for sliding on the two parallel guide rails (100);
the transition mounting plate (2300) is fixedly connected with the upper end face of the basic support (2100), and a plurality of mounting plate bolt holes (2310) are formed in the upper surface of the transition mounting plate (2300) and used for fixedly mounting the isolating switch (2400).
2. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch of claim 1, which is characterized in that: the improved structure of the chassis frame is characterized in that a group of chassis frame supporting devices are respectively arranged at two ends of the chassis frame (300), each chassis frame supporting device comprises a chassis frame supporting leg (410) and a chassis clamping nut (420), threads are arranged on the upper portion of each chassis frame supporting leg (410), chassis through holes are formed in two ends of the chassis frame (300), and the upper portions of the chassis frame supporting legs (410) are locked through the chassis clamping nuts (420) after penetrating through the chassis through holes.
3. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch according to claim 1 or 2, characterized in that: the pulley fixing device comprises at least one set of fixing plate (2510) and fixing plate tensioning bolts (2520), the fixing plate (2510) is transversely arranged below the pulley plate (2210), two ends of the fixing plate (2510) are clamped between the two parallel guide rails (100), and two ends of the fixing plate (2510) are fixedly connected with the pulley plate (2210) through the fixing plate tensioning bolts (2520).
4. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch of claim 3, characterized in that: the fixing plates (2510) and the fixing plate tensioning bolts (2520) are divided into two groups, the two fixing plates (2510) are respectively and transversely arranged on two sides below the fixing plates (2510), and two ends of each fixing plate (2510) are fixedly connected with the pulley plate (2210) through the fixing plate tensioning bolts (2520).
5. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch according to claim 1 or 2, characterized in that: two the downside middle part of guide rail (100) still is equipped with supplementary supporting mechanism, supplementary supporting mechanism includes crossbeam frame (610) and two sets of crossbeam frame strutting arrangement (620), a set of crossbeam frame strutting arrangement (620) are respectively established at the both ends of crossbeam frame (610), crossbeam frame strutting arrangement (620) are including crossbeam supporting leg (621) and crossbeam union nut (622), the upper portion of crossbeam supporting leg (621) is equipped with the screw thread, the both ends of crossbeam frame (610) are equipped with the crossbeam through-hole, the upper portion of crossbeam supporting leg (621) is passed and is locked through crossbeam union nut (622) behind the crossbeam through-hole.
6. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch according to claim 1 or 2, characterized in that: both ends of the guide rail (100) are respectively provided with a limit stop (700), and the two limit stops (700) are respectively and transversely arranged above the two ends of the two guide rails (100).
7. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch of claim 6, characterized in that: the opposite surfaces of the two limit stops (700) are provided with buffer blocks (710).
8. The mobile overhaul debugging system of the horizontal outdoor high-voltage alternating-current isolating switch according to claim 1 or 2, characterized in that: the upper end surface and the lower end surface of the basic support (2100) are respectively provided with an upper connecting plate (2110) and a lower connecting plate (2120), the sliding plate (2210) is fixedly connected with the lower connecting plate (2120), and the transition mounting plate (2300) is fixedly connected with the upper connecting plate (2110).
9. The system of claim 8, wherein the system comprises: the four corners of the lower connecting plate (2120) are provided with a plurality of lower bolt holes (2121), the trolley plate (2210) is provided with lower threaded holes (2211) corresponding to each lower bolt hole (2121), and the lower bolt holes (2121) and the lower threaded holes (2211) are connected through fastening bolts in a fastening mode.
10. The system of claim 8, wherein the system comprises: four corners of the upper connecting plate (2110) are provided with a plurality of upper bolt holes (2111), an upper threaded hole (2320) corresponding to each upper bolt hole (2111) is formed in the transition mounting plate (2300), and the upper bolt holes (2111) and the upper threaded holes (2320) are connected through fastening bolts in a fastening mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188521.9U CN210404513U (en) | 2019-07-25 | 2019-07-25 | Mobile maintenance and debugging system of horizontal outdoor high-voltage alternating-current isolating switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188521.9U CN210404513U (en) | 2019-07-25 | 2019-07-25 | Mobile maintenance and debugging system of horizontal outdoor high-voltage alternating-current isolating switch |
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| CN210404513U true CN210404513U (en) | 2020-04-24 |
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| CN201921188521.9U Active CN210404513U (en) | 2019-07-25 | 2019-07-25 | Mobile maintenance and debugging system of horizontal outdoor high-voltage alternating-current isolating switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391600A (en) * | 2019-07-25 | 2019-10-29 | 湖南长高高压开关集团股份公司 | A kind of mobile maintenance debugging system of horizontal outdoor high-voltage alternating current isolating switch |
| CN112735879A (en) * | 2020-12-28 | 2021-04-30 | 川铁电气（天津）股份有限公司 | Production system suitable for 27.5kV isolator equipment |
-
2019
- 2019-07-25 CN CN201921188521.9U patent/CN210404513U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391600A (en) * | 2019-07-25 | 2019-10-29 | 湖南长高高压开关集团股份公司 | A kind of mobile maintenance debugging system of horizontal outdoor high-voltage alternating current isolating switch |
| CN110391600B (en) * | 2019-07-25 | 2024-06-25 | 长高电新科技股份公司 | Mobile maintenance and debugging system of horizontal outdoor high-voltage alternating current isolating switch |
| CN112735879A (en) * | 2020-12-28 | 2021-04-30 | 川铁电气（天津）股份有限公司 | Production system suitable for 27.5kV isolator equipment |
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Address after: No. 393, Section 3, Jinxing North Road, Wangcheng Economic and Technological Development Zone, Changsha, Hunan 410219 Patentee after: Chang Hi-Tech New Technology Co.,Ltd. Country or region after: China Patentee after: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. Address before: 411400, No. 393, section 3, North Jinxing Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. Country or region before: China Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. |